Shoe upper



FIG. 1 is a left side elevational view of a shoe upper showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

The broken line showing of a shoe sole in the figures is environmental and forms no part of the claimed design.

The broken lines which define the bounds of the claimed design form no part thereof. 

The ornamental design for a shoe upper, as shown and described. 